IET 226 MIDTERM EXAM REVIEW
questions well answered
1. What's the difference between Raster Graphics and Vector Graphics? - ANS ✔Raster Graphics
are resolution based graphics. Whereas Vector Graphics are based on mathematical formulas
defining geometric primitive. Pixelization
2. What's the benefits of employing CAD system in Mechanical Design Perspective? - ANS
✔Computer assisted systems, increase productivity of the designer, improve quality of design,
improve communication through more efficient documentation and provide a multi-purpose
data base.
3. Which other system can take benefits of geometry created by CAD system? - ANS ✔CAM
(Computer Aided Manufacturing), FEA,FEM (Finite Element Analysis; Finite Element Method),
CFD (Computation Fluid Dynamics), and Kinematics (Motion Analysis).
4. Three major Tasks of 3D CAD Design - ANS ✔Part Modeling (Sketch Mode, Feature Creation,
and Part Editing), Assembly Modeling (DOF-Degree of Freedom, Assembly Constrain, and CAD
Library), and Drafting(Detail Part Drawing, GD&T, Assembly Drawing)
5. What is CAM and what is major purpose of CAM? - ANS ✔CAM (Computer Aided
Manufacturing) to make connection between machining and CAD
6. What is FEA/FEM? What types of solution does it provided? - ANS ✔FEA,FEM (Finite Element
Analysis/Method) provides structural analysis vibration analysis, fatigue analysis, and thermal
analysis.
7. What is CFD? List examples of problem solved by CFD? - ANS ✔CFD (Computation Fluid
Dynamics) is the analysis of the fluid and thermal flow. Ex. The flow of hot water through pipes.
, 8. What are the three major interests of Motion Analysis (Kinematics)? - ANS ✔Kinematics
(Motion Analysis) is motion analysis of path, speed, and acceleration. As well as Mechanism
analysis.
9. The milestone of CAD system for IBM PC? Name the company and product. - ANS ✔AutoCAD
(Autodesk, 1982)
10. Which CAD system was developed based on solid geometry and feature-based parametric
techniques for defining parts and assemblies first time in history? - ANS ✔Pro/Engineer (PTC,
1987) CREO
11. What does CATIA stand for? - ANS ✔Computer Aided Three-Dimensional Interactive
Application
12. What is the Kennel of CATIA? - ANS ✔Convergence Geometric Modeler (Dassault Systems)
14. Two major solid modeling methodologies in modern 3D CAD systems - ANS ✔(Sweep)
Boundary Representation (B-Rep) and Construction Solids Geometry (CSG) (Primitives)
13. Name CAD systems utilizing Parasolid Kennel. - ANS ✔Simens NX, SolidWorks, Solid Edge,
MasterCAM...
15. What is Primitives? - ANS ✔Primitives are limited versions of part models that are designed
for repeated use in a part creation.
16. Name common Primitives found in modern CAD systems - ANS ✔Cone, Cylinder, Wedge,
Sphere, Box, Pyramid, Torus
questions well answered
1. What's the difference between Raster Graphics and Vector Graphics? - ANS ✔Raster Graphics
are resolution based graphics. Whereas Vector Graphics are based on mathematical formulas
defining geometric primitive. Pixelization
2. What's the benefits of employing CAD system in Mechanical Design Perspective? - ANS
✔Computer assisted systems, increase productivity of the designer, improve quality of design,
improve communication through more efficient documentation and provide a multi-purpose
data base.
3. Which other system can take benefits of geometry created by CAD system? - ANS ✔CAM
(Computer Aided Manufacturing), FEA,FEM (Finite Element Analysis; Finite Element Method),
CFD (Computation Fluid Dynamics), and Kinematics (Motion Analysis).
4. Three major Tasks of 3D CAD Design - ANS ✔Part Modeling (Sketch Mode, Feature Creation,
and Part Editing), Assembly Modeling (DOF-Degree of Freedom, Assembly Constrain, and CAD
Library), and Drafting(Detail Part Drawing, GD&T, Assembly Drawing)
5. What is CAM and what is major purpose of CAM? - ANS ✔CAM (Computer Aided
Manufacturing) to make connection between machining and CAD
6. What is FEA/FEM? What types of solution does it provided? - ANS ✔FEA,FEM (Finite Element
Analysis/Method) provides structural analysis vibration analysis, fatigue analysis, and thermal
analysis.
7. What is CFD? List examples of problem solved by CFD? - ANS ✔CFD (Computation Fluid
Dynamics) is the analysis of the fluid and thermal flow. Ex. The flow of hot water through pipes.
, 8. What are the three major interests of Motion Analysis (Kinematics)? - ANS ✔Kinematics
(Motion Analysis) is motion analysis of path, speed, and acceleration. As well as Mechanism
analysis.
9. The milestone of CAD system for IBM PC? Name the company and product. - ANS ✔AutoCAD
(Autodesk, 1982)
10. Which CAD system was developed based on solid geometry and feature-based parametric
techniques for defining parts and assemblies first time in history? - ANS ✔Pro/Engineer (PTC,
1987) CREO
11. What does CATIA stand for? - ANS ✔Computer Aided Three-Dimensional Interactive
Application
12. What is the Kennel of CATIA? - ANS ✔Convergence Geometric Modeler (Dassault Systems)
14. Two major solid modeling methodologies in modern 3D CAD systems - ANS ✔(Sweep)
Boundary Representation (B-Rep) and Construction Solids Geometry (CSG) (Primitives)
13. Name CAD systems utilizing Parasolid Kennel. - ANS ✔Simens NX, SolidWorks, Solid Edge,
MasterCAM...
15. What is Primitives? - ANS ✔Primitives are limited versions of part models that are designed
for repeated use in a part creation.
16. Name common Primitives found in modern CAD systems - ANS ✔Cone, Cylinder, Wedge,
Sphere, Box, Pyramid, Torus
